Nickel Alloys Incoloy 800 Nuts

Nickel Alloys Incoloy 800 Nuts are internally threaded fasteners, typically in the hex style, designed to mate with Incoloy 800 Hex Bolts or Stud Bolts. Manufactured from Incoloy 800 (UNS N08800), these nuts are crucial for maintaining the secure clamping force of a bolted joint in applications involving high temperatures and corrosive atmospheres. The alloy's composition, rich in nickel and chromium, provides superb resistance to oxidation, carburization, and stress-corrosion cracking at temperatures up to 1100°F (593°C). Zeron Fastners supplies these nuts in various forms, including heavy hex nuts, for use in high-temperature chemical and petrochemical processing, heat treatment furnaces, and power generation components.

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Incoloy 800 Nuts

Nickel Alloys Incoloy 800 Nuts Chemical Composition

Element Content (%)
Nickel (Ni) 30.0 – 35.0
Chromium (Cr) 19.0 – 23.0
Iron (Fe) Balance
Manganese (Mn) 1.50 max
Silicon (Si) 1.00 max
Copper (Cu) 0.75 max
Titanium (Ti) 0.15 – 0.60
Aluminum (Al) 0.15 – 0.60
Carbon (C) 0.10 max

Nickel Alloys Incoloy 800 Nuts Mechanical Properties

Property (Annealed) Value (min)
Tensile Strength 75 ksi (515 MPa)
Yield Strength (0.2% Offset) 30 ksi (205 MPa)
Elongation 30%
Hardness (Brinell) 170 typical

Nickel Alloys Incoloy 800 Nuts Feature Products